CN211429346U

CN211429346U - Short-term emergency tracking and monitoring device for marine radioactive events

Info

Publication number: CN211429346U
Application number: CN201820174401.2U
Authority: CN
Inventors: 张颖颖; 吴丙伟; 刘东彦; 张颖; 张云燕; 袁达; 程岩; 侯广利
Original assignee: Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
Current assignee: Oceanographic Instrumentation Research Institute Shandong Academy of Sciences; Institute of Oceanographic Instrumentation Shandong Academy of Sciences
Priority date: 2018-02-01
Filing date: 2018-02-01
Publication date: 2020-09-04
Anticipated expiration: 2028-02-01

Abstract

The utility model belongs to the technical field of marine environment monitoring, a short-term emergent monitoring devices that trails of marine radioactivity event is disclosed, including shell, lug, mechanical support piece, group battery, GM count pipe, step up and measurement signal processing circuit board, industry control circuit board, GPRS antenna, big dipper communication circuit board, big dipper communication antenna and bank station terminal server software, the shell top is arranged in to the GPRS antenna, and the shell is sealed. This technical scheme can the real-time supervision marine radioactive signal, and long-range input avoids the staff to receive the radiation, and monitoring facilities is because the balanced stable measurement gesture of gravity automatic adjustment in the sea water, and effective location and the real-time transmission of data are guaranteed to two location communication systems, and the radiation map is drawn at the bank station terminal, and real-time data is emphatically shown, and is clear striking, and alarm unit provides the alarm of different grades, the relevant personnel's control of being convenient for.

Description

Short-term emergency tracking and monitoring device for marine radioactive events

Technical Field

The invention belongs to the technical field of marine environment monitoring and event emergency, and particularly relates to a short-term emergency tracking and monitoring device for marine radioactive events.

Background

The explosion of the nuclear power station of the Japanese Fudao causes very serious marine radiation pollution accidents, which not only seriously affects the marine ecosystem, marine fishery and breeding of the Japan local shore and the life and property safety of coastal people, but also poses potential threats to the marine ecological safety, marine economy and life of the whole Western Pacific ocean. Emergency tracking monitoring techniques for marine radiological events are of worldwide interest.

China always uses the traditional method of collecting a large number of samples on site and bringing the samples back to a laboratory for processing and analysis in marine radioactive environment monitoring, and the procedure is complicated. In order to obtain the first-hand data of the radioactive pollution condition of the western pacific sea area after the fukushima nuclear accident, analyze and evaluate the possible influence of the fukushima nuclear accident on the sea area in China and the ocean environment adjacent to the oceans, and release the ocean nuclear safety monitoring and early warning information in time, the national ocean administration organization implements the western pacific radioactive monitoring work of a plurality of voyages. Each voyage stops at dozens of designated stations, and a large amount of seawater samples are collected and brought back to a laboratory to carry out a large amount of test analysis work. Because the sample detection period is long, the time and the labor are consumed, and the investigation result can be published only 3 to 4 months after the voyage is finished. The monitoring mode is difficult to realize effective emergency tracking and early warning of the marine radiation event.

Disclosure of Invention

The technical scheme provides a short-term emergency tracking and monitoring device for offshore implementation and release of the unmanned aerial vehicle, aiming at offshore radioactive event emergency tracking and monitoring, and aims to realize large-range and dynamic radiation monitoring of relevant sea areas after an offshore radioactive event occurs and provide key technical support for emergency command, disposal decision and evaluation prediction of the event.

Short-term emergent monitoring devices that tracks of marine radioactive event, its characterized in that: including shell, lug, mechanical support frame, group battery, GM count pipe, step up and measurement signal processing circuit board, industry control circuit board, GPRS antenna, big dipper communication circuit board, big dipper communication antenna, bank station terminal server and unmanned aerial vehicle, the shell top is arranged in to the GPRS antenna, and the shell is sealed, and industry control circuit board carries out information transmission with bank station terminal server.

Under the control of the industrial control circuit board, the GPRS circuit board is combined with the GPRS antenna to implement remote communication of real-time detection information, and the shore station terminal server receives the detection information and feeds back a signal to the industrial control circuit board.

When the industrial control circuit board cannot receive the GPRS communication feedback signal, the industrial control circuit board controls and switches the Beidou communication circuit board to combine with the Beidou communication antenna to implement remote communication of detection information.

The shore station terminal server is also provided with a data storage module and a radiation map drawing module.

The monitoring devices are put in batch, and the radiation map drawing module draws a radiation map according to longitude and latitude, time and radiation signals.

The radiation signals from the same monitoring device in the radiation map are represented by the same symbol, and the radiation signals at the current time are highlighted.

The shore station terminal server also comprises a data analysis module and an alarm module, and the data analysis module is used for analyzing the numerical values of the current radiation signal and the average radiation signal and sending out corresponding alarms.

The shell is the better non-metallic material of light, radiation penetrability, and the shell top is equipped with the lug, is equipped with mechanical support frame in the shell, and the lower part of support frame is arranged in to heavier part, and the upper portion of support frame is arranged in to lighter part.

The short-term emergency tracking monitoring device for the marine radioactive events adopts a GM counting tube which is low in cost, small in size, light in weight, fast in response and low in power consumption and serves as a core detection component of a radiation metering unit, and a matching voltage boosting and radiation metering signal conversion module is used for detecting main artificial radionuclide possibly leaked when the energy range covers the marine radioactive events. The GPRS module and the small Beidou module which are low in cost, small in size, good in quality and low in power consumption are adopted to provide positioning and communication functions. The battery pack is of a battery type with high energy density and small volume, the capacity and the quantity of the batteries are determined according to the power consumption conditions of detection and communication, and the emergency monitoring device is ensured to work effectively and continuously at sea for at least one month conventionally. The acquisition control unit is responsible for acquiring main monitoring data such as radiation dose rate, position and time, is responsible for controlling automatic monitoring operation of the radiation dose rate, intelligent switching of communication modes, intelligent switching of monitoring frequency and the like, and is responsible for automatically implementing remote communication output. The drift monitoring device adopts light and non-metallic materials with better radiation penetrability as a shell, and the device is integrally packaged. The lifting lugs are arranged above the device, the internal structure design is compact, and the overall gravity center is low, so that the device is suitable for automatic aerial throwing and automatic posture correction after entering the sea. The shore station software automatically receives the radiation dose rate, time and longitude and latitude obtained through real-time measurement, stores data and draws a plurality of continuous monitoring data obtained along a drifting path to form a data map of a monitoring network, analyzes the data, provides early warning service and forms pollution diffusion prediction.

The dynamic tracking monitoring of the marine environmental pollution caused by liquid discharge under the condition of occurrence of the marine radioactive event is realized. Aiming at special radioactive events at sea, the device adopts an unmanned aerial vehicle throwing mode, and the integrally packaged monitoring device is automatically thrown into the sea according to a specified position. The monitoring device finishes the drift attitude correction by self gravity after being thrown to the sea, and automatically executes an intelligent monitoring mode by sensing the influence of the environment on the sea. The monitoring device has the characteristics of integrated packaging, miniaturization, light weight, low power consumption and low cost, is suitable for the unmanned aerial vehicle to implement large-quantity release, is convenient to construct a radioactive dynamic tracking monitoring map in a certain sea area range, provides a large amount of continuous data support for short-term emergency command and disposal decision after an event occurs, and provides important actual measurement reference data for calculating the radiation migration diffusion condition in seawater and predicting and evaluating the radiation migration diffusion condition after the event.

The short-term emergency tracking monitoring device for the marine radioactive events adopts an unmanned aerial vehicle to automatically load and implement the throwing of the monitoring device of the marine designated station, the overall design of the monitoring device is miniaturized, the weight is light, the integrated sealing is realized, and the working personnel are prevented from being placed in a radiation field; after the monitoring device is thrown to the sea, the correction of the drifting posture of the sea is automatically finished by depending on the self geometric structure and the mechanical gravity center design, and the possible diffusion mode of the radioactive nuclide in the sea when an event occurs is simulated in a free drifting mode through the influences of stormy waves and the like of the surface layer sea water environment; aiming at short-term emergency tracking monitoring requirements, a large number of monitoring devices are put in to realize a dynamic radiation monitoring map of a large-scale sea area, the monitoring devices are integrally designed to be low in power consumption and low in cost, a shore station terminal receives monitoring data through software, dynamic monitoring positions and real-time monitoring data of a plurality of monitoring devices are integrated, and a marine dynamic radiation monitoring data network map in a sea area in a certain range is drawn; the tracking monitoring adopts a GPRS and Beidou dual-selection type remote communication mode, ensures that real-time measured radiation monitoring data, measured position information and calibration time are continuously sent to a shore station terminal, defaults to adopt a GPRS communication mode with relatively low power consumption, develops a communication fault diagnosis function, and starts a Beidou communication mode when the GPRS communication fails; the drift monitoring device defaults to monitoring frequency to implement radiation monitoring, and if the current monitoring position is found to have data abnormality, the drift monitoring device is switched to higher monitoring frequency; and the shore station terminal software analyzes, judges and provides early warning of pollution station positions or ranges according to the monitoring data map, and provides pollution trend prediction.

Drawings

FIG. 1: the short-term emergency tracking monitoring device for the marine radioactive events is implemented schematically;

FIG. 2: the short-term emergency tracking monitoring software for the marine radioactive events dynamically monitors the map;

FIG. 3: the invention discloses a hardware composition structure schematic diagram of a short-term emergency tracking and monitoring device for a marine radioactive event.

Wherein: 1, a GM counting tube; 2. a boost and metering signal processing circuit board; 3. a battery pack; 4. an industrial control circuit board; 5, a Beidou communication circuit board; 6, GPRS circuit board; 7. a Beidou communication antenna; a GPRS antenna; 9. a mechanical support frame; 10, a housing; 11. lifting lugs; 12. an unmanned aerial vehicle; 13. a monitoring device; 14. an initial water entry state; 15. a post-equilibrium state.

Detailed Description

The technical solution is further described below with reference to the accompanying drawings.

Example 1

After a marine radioactive event occurs, the leaked radionuclides can migrate and diffuse to the surrounding sea area along with the influence of the seawater environment. The purpose of emergency tracking monitoring is to comprehensively master the dynamic radiation change condition of a large-range sea area and scientifically and efficiently carry out emergency treatment. Aiming at the particularity of the radioactive event, the short-term emergency tracking and monitoring device for the radioactive event at sea provided by the invention is specifically implemented as shown in fig. 1: the unmanned aerial vehicle utilizes mechanical tong to hang automatic emergent tracking monitoring devices of ocean radiation, flies to appointed marine station position according to appointed route by internal control system automatic control unmanned aerial vehicle, hovers in the air for several seconds, opens mechanical tong automatically, puts in monitoring devices. The monitoring device is integrally assembled and sealed, is in a cylindrical shape, and has a lower gravity center. After the device is thrown into seawater, an initial water entering state 14 is presented, attitude correction is automatically completed by means of the self geometric shape and the mechanical gravity center, and a balanced state 15 is presented, wherein the angle of the balanced state 15 is larger than 45 degrees with the sea surface, and the attitude of the antenna upwards floats on the sea surface. The device keeps the floating working posture of the seawater surface layer as shown in figure 1 all the time in the process of continuously implementing automatic tracking monitoring at sea. The monitoring device drifts on the surface layer of the seawater along with possible nuclide migration and diffusion paths because of the influence of natural environments such as stormy waves and the like on the surface layer of the seawater. And putting a certain number of monitoring devices in the sea area within the specified range according to the actual conditions of the event and the sea area. Each monitoring device carries out tracking monitoring on the sea, real-time and continuous monitoring data and current monitoring longitude and latitude and calibration time are sent to software of a shore station terminal, the software receives and stores the monitoring data, a dynamic monitoring data chain is drawn and formed along a drifting path according to monitoring positions and radiation monitoring data, the same equipment uses the same shape identification, and the identification is highlighted at the current latest real-time monitoring position. The multiple devices simultaneously implement continuous monitoring, dynamic radiation monitoring data in a sea area in a certain range as shown in fig. 2 is formed on software, and a dynamic monitoring map is formed by combining longitude and latitude information of each monitoring point. After each device is thrown into the sea, the monitoring data are judged by adopting the default monitoring frequency set by industrial control, and the encryption monitoring frequency is adjusted when the monitoring data are abnormal. The latitude and longitude information and the time calibration of the real-time monitoring position are provided through the Beidou satellite, and the latitude and longitude information and the time calibration are sent to a shore station terminal through remote communication together with the radiation dose rate obtained through real-time monitoring. The device adopts a reliable communication mode selected by GPRS and Beidou satellites. The default adopts the GPRS communication mode with low power consumption, and the GPRS communication mode is switched to the Beidou satellite communication mode under the condition of GPRS communication fault, so that the reliable transmission of the emergency tracking monitoring data is ensured.

The requirement of marine radiation time emergency tracking monitoring is satisfied, unmanned aerial vehicle can be put in, a large amount of applications and marine autonomous drifting duty cycle are considered simultaneously, and the monitoring device has the characteristics of small volume, light weight, low power consumption and low cost. The device has compact internal structure, low gravity center and integrated packaging. The device includes GM count pipe 1, steps up and measures signal processing circuit board 2, group battery 3, industry control circuit board 4, big dipper communication circuit board 5, GPRS circuit board 6, big dipper communication antenna 7, GPRS antenna 8, mechanical support frame 9, mechanical encapsulation shell 10 and lug 11. The mechanical support 9 is arranged inside the shell 10; the GMZ counting tube 1, the boosting and metering signal processing circuit board 2 and the battery pack 3 are arranged at the lower part of the mechanical support frame 9; the industrial control circuit board 4, the Beidou communication circuit board 5 and the GPRS circuit board 6 are arranged on the upper part of the mechanical support frame 9; the lifting lug 11 and the GPRS antenna 8 are arranged at the top of the shell 10; the GMZ counting tube 1 is connected with a boosting and metering signal processing circuit board 2; the boosting and metering signal processing circuit board 2, the Beidou communication circuit board 5 and the GPRS circuit board 6 are all connected with the industrial control circuit board 4; the Beidou communication antenna 7 is connected with the Beidou communication circuit board 5, and the GPRS antenna 8 is connected with the GPRS circuit board 6; the battery pack 3 is connected with the GM counting tube 1, the industrial control circuit board 4, the boosting and metering signal processing circuit board 2, the Beidou communication circuit board 5 and the GPRS circuit board 6, and provides electric energy for the components. The GM counting tube 1 detects the rays of the surrounding marine environment, the boosting processing circuit 2 works in cooperation with the GM counting tube, and the metering signal processing circuit 2 counts the voltage signals detected by the GM counting tube 1 according to the amplitude and converts the voltage signals into digital signals of radiation dosage rate. The industrial control circuit board 4 combines small-size big dipper communication antenna 7 to provide big dipper location and time calibration function. The industrial control circuit board 4 is responsible for collecting the environment radiation dose rate, the Beidou positioning and the calibration time information which are detected in real time, and the Beidou communication unit 5 or the GPRS circuit board 6 detects the remote communication of information to the shore station terminal server software. Under the control of the industrial control circuit board 4, the GPRS circuit board 6 is combined with the GPRS antenna 8 to implement remote communication of real-time detection information. When the industrial control circuit board 4 cannot receive the GPRS communication end signal sent back by the shore station terminal server software automatic feedback, GPRS communication failure is diagnosed, the mode is switched to a Beidou remote communication mode, and the Beidou communication circuit board 5 is combined with a Beidou communication antenna 7 to realize the GPRS communication. Under the initial condition, the industrial control circuit board 4 sets a relatively large detection information acquisition and communication period. In the continuous monitoring process, the industrial control circuit board 4 automatically judges the amplitude of the environment radiation dose rate signal detected in real time, and when the radiation dose rate detection data of the surrounding sea area exceeds the normal range set by the program of the industrial control circuit board 4, the industrial control circuit board 4 automatically switches to a better detection acquisition and communication period according to the internal program. The battery pack 3 is composed of a plurality of high-density batteries, supplies power for normal operation of each unit of the hardware device, and the power supply capacity of the battery pack is determined according to the operation power consumption and the short-term emergency tracking monitoring period. The internal integrated mechanical support frame 9 realizes the fixation and reasonable assembly of each unit of the hardware structure. The shell 10 is made of light plastic materials with good radiation penetrability, and the lifting lugs 11 above the device facilitate hanging and throwing of the unmanned aerial vehicle.

And a shore station terminal server is provided with matched emergency tracking monitoring software, and the receiving of monitoring information, including monitoring device numbers, longitude and latitude of the current monitoring position, monitoring time and radiation dose rate monitoring data, is completed through a communication equipment receiving end of a GPRS/Beidou satellite. And the software stores the monitoring information according to the set file path. The software combines the monitoring time and the longitude and latitude of the monitoring position, and displays the real-time and continuous monitoring data of the radiation dose rate in a mode shown in figure 2 in a certain range of the designated sea area on a software interface, so as to form a dynamic monitoring map shown in figure 2. And the monitoring software analyzes the monitoring data according to the setting of the radiation dose safety limit so as to provide early warning service. And the software internal program operates a nuclide migration prediction algorithm in the seawater according to the received continuous monitoring data to provide radiation diffusion evaluation for the user. The emergency monitoring command center can refer to the monitoring information, comprehensively master the sea area radiation condition after the event occurs, and deploy a more efficient emergency disposal scheme.

Aiming at the special working condition after the marine radiation event occurs, compared with the traditional manual sampling and laboratory monitoring mode, the marine radiation event short-term emergency tracking and monitoring device has the advantages of full-automatic operation, no need of manual intervention, real-time monitoring, continuous monitoring, convenience in realizing large-range dynamic monitoring of sea areas and the like; compared with the traditional mode that a large buoy carries nuclide monitoring instruments based on NaI (Tl) crystals and the like, the method has the advantages of low cost, flexible operation and convenience in obtaining large-range dynamic monitoring data; the monitoring mode and the device are suitable for large-quantity and large-range release and implementation monitoring, and a monitoring network is conveniently formed, so that the overall and dynamic grasp of the large-range sea area monitoring condition is provided.

Example 2

Monitoring devices hardware includes GM count pipe 1, steps up and measures signal processing circuit board 2, group battery 3, industry control circuit board 4, big dipper communication circuit board 5, GPRS circuit board 6, big dipper communication antenna 7, GPRS antenna 8, mechanical support frame 9, mechanical encapsulation shell 10 and lug 11. The GM counting tube 1 detects the surrounding radiation environment under the working voltage condition provided by the boosting and metering signal processing circuit board 2, and the detected voltage signal is sent to the boosting and metering signal processing circuit board 2 and is converted into digital radiation dosage rate according to amplitude counting processing. The industrial control circuit board 4 collects three signals according to a certain sampling time interval: the real-time dosage rate of the environmental radiation obtained by the processing of the boosting and metering signal processing circuit board 2, and the longitude and latitude position and the calibration time obtained by combining the Beidou communication antenna with the Beidou communication circuit board. The monitoring device sets a default sampling time interval of 5 minutes through the industrial control circuit board 4. When the industrial control circuit board 4 judges that the acquired radiation dose rate data exceeds the background measurement average value of the current sea area environment to a certain extent, the monitoring data is judged to be abnormal, and the encryption sampling time interval is switched. During specific setting, the weather change is considered to be that the radiation dosage rate is slowly increased and changed due to rain, and in order to reduce false alarm caused by weather factors, aiming at the rapid increase and change possibly caused by a marine event, the industrial control circuit board 4 is set to judge that the encryption sampling time interval is switched to be 1 minute when the real-time detected radiation dosage rate value exceeds the standard deviation 2 times of the background measurement average value. The background measurement average value of the current sea area environment refers to an average value of radiation dose rates obtained by floating detection of the monitoring device in the current sea area under the condition that no radioactive event occurs.

The industrial control circuit board 4 sends the monitoring signal acquired in real time to the remote communication unit to complete the remote data communication of the terminal server of the opposite bank station. In the initial situation, the monitoring device defaults to adopt GPRS as a remote communication mode. The industrial control circuit board 4 sends the monitoring data collected in real time, including radiation dose rate, longitude and latitude and calibration time, to the GPRS circuit board 6 to control the GPRS antenna 8 to send to the shore station. The shore station terminal server is connected with a GPRS receiving end, receives the monitoring data, performs data verification after the data reception is completed, and sends a reception completion mark to the GPRS communication unit of the offshore monitoring device to inform the industrial control circuit board 4 that the communication is normal if the verification is passed. If the industrial control circuit board 4 cannot receive the data receiving completion mark of the GPRS communication unit, the GPRS communication failure is judged. If 3 continuous communication failures, the industrial control circuit board 4 judges that the GPRS communication failure is switched to the Beidou communication mode, namely, the monitored data is sent to the Beidou communication circuit board 5 in real time, and remote data sending is implemented through the Beidou communication antenna 7. The shore station terminal server is also connected with a Beidou satellite communication receiving terminal, receives monitoring data transmitted by the Beidou satellite, and sends the monitoring data to monitoring software installed on the shore station server through an RS232 serial port. After the monitoring software collects the monitoring data, data are firstly checked, the remote communication is considered to be successful through the check, namely the completion zone bit is sent, the Beidou communication receiving end of the server sends the Beidou communication antenna 7 to the marine monitoring device, and the Beidou communication circuit board 5 sends the industrial control circuit board 4. When the industrial control circuit board 4 receives the feedback signal, the current Beidou communication is considered to be normal, the Beidou transmission of the next group of monitoring data can be continued, and if the feedback signal is not received, the Beidou communication is considered to be failed. If the communication fails for 3 times continuously, the industrial control circuit board 4 judges the Beidou communication fault and switches to another communication mode, namely a GPRS communication mode. The communication is performed as described above. The remote communication mode of fault diagnosis and intelligent switching aims to better ensure the continuous execution of emergency monitoring work. Meanwhile, when the industrial control circuit board 4 controls the monitoring device to execute the Beidou satellite communication mode, the industrial control circuit board 4 sends a command to the GPRS module to check the GPRS signal intensity every 5 minutes. If the detected signal intensity value is between 17 and 31, the industrial control circuit board 4 judges that the GPRS current signal intensity is better, and the GPRS circuit board 6 controls the GPRS antenna 8 to send a request signal to the shore station server terminal. If the shore station GPRS receiving end receives the request signal, the request signal is sent to the software through the RS232 serial port, the software generates a response signal to the RS232 serial port, the response signal is sent to the GPRS receiving end, the GPRS communication unit of the monitoring device is sent to the industrial control circuit board 4. When the industrial control circuit board 4 receives the feedback signal, the current GPRS communication is judged to be normal and available, and the next group of monitoring data is switched to be sent in a GPRS communication mode. If the industrial control circuit board 4 cannot receive the response feedback signal, the current GPRS communication mode is judged to be unavailable, and a Beidou satellite communication mode is adopted. According to the design principle, the power consumption of Beidou communication is considered to be large, the GPRS communication mode is selected under the condition that the GPRS communication is normal, and the purpose is to maximally increase the continuous tracking time of the monitoring device under the condition that a certain amount of batteries are carried.

The battery pack 3 is composed of a high-density lithium battery. According to the maximum working frequency of the monitoring device, namely monitoring and communication period calculation of 1 minute/time, the GM counting tube 1, the industrial control circuit board 4, GPRS and Beidou communication and other maximum current consumption modes are integrated, and the average total current consumption per minute is 32 mA. The power consumption is 1400Ah according to the working period of the emergency monitoring device which can reach 30 days. The power supply voltage of each group of high-energy density lithium batteries is 14.4V, the single-group capacity can reach 70Ah, and the power supply device is designed to supply power to the lithium batteries with 20 groups.

The shore station server is provided with monitoring software based on a Windows operating system and is connected with the remote communication receiving units of the GPRS and the Beidou satellite through an RS232 serial port. Monitoring data received through remote communication is stored on a server hard disk according to a specified path and a specified file name format. And the software draws a monitoring tracking dynamic data map on a display interface. The current monitoring position is plotted according to the latitude and longitude information, and each monitoring device is represented by a specific image symbol, such as a circle, a star, a triangle and the like, as shown in fig. 2. And the software forms a dynamic monitoring path according to the longitude and latitude and the calibration time sent by each monitoring device in real time, and correspondingly displays the radiation dose rate obtained by monitoring at that time for each monitoring position point. The latest current monitored location is highlighted. The plurality of monitoring devices draw a plurality of monitoring trace paths correspondingly to form a tracking monitoring map as shown in fig. 2. The software also analyzes the real-time monitoring data, and sends a first-level sound alarm to prompt a command center to pay attention to possible pollution discovery when the radiation dose rate is judged to exceed 2 times of the standard deviation of the background measurement average value. And when the radiation dose rate is judged to exceed the standard deviation of 3 times of the background measurement average value, a second-level sound alarm is sent out to prompt a command center to find pollution requirement response. And when the radiation dose rate is judged to exceed the standard deviation of 4 times of the background measurement average value, a third-level sound alarm is sent out to prompt a command center to immediately respond and dispose the pollution requirement. And the software runs a nuclide migration prediction algorithm in the seawater according to the received continuous monitoring data to provide radiation diffusion evaluation.

The examples are merely illustrative of the technical solution of the present invention and are not intended to limit it in any way; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. Short-term emergent monitoring devices that tracks of marine radioactive event, its characterized in that: including shell, group battery, GM count pipe, step up and measurement signal processing circuit board, industry control circuit board, GPRS antenna, big dipper communication circuit board, big dipper communication antenna and bank station terminal server, the shell top is arranged in to the GPRS antenna, and the shell is sealed, and industry control circuit board control GRPS circuit board or big dipper communication circuit board carry out information transmission with bank station terminal server.

2. The marine radiological event short-term emergency tracking and monitoring device as claimed in claim 1, wherein: under the control of the industrial control circuit board, the GPRS circuit board is combined with the GPRS antenna to implement remote communication of real-time detection information by default, and the shore station terminal server receives the detection information and feeds back a signal to the industrial control circuit board.

3. The marine radiological event short-term emergency tracking and monitoring device as claimed in claim 2, wherein: when the industrial control circuit board cannot receive the GPRS feedback signal, the industrial control circuit board controls the Beidou communication circuit board to combine with the Beidou communication antenna to implement remote communication of detection information, and the shore station server receives the detection information and feeds the feedback signal to the industrial control circuit board.

4. The marine radiological event short-term emergency tracking and monitoring device as claimed in claim 3, wherein: the GM counting tube and the voltage boosting and metering signal processing circuit board adopt monitoring frequency preset on the industrial control circuit board to implement radiation monitoring, and when the background measured value of the monitoring position data exceeds a set proportion abnormally, the GM counting tube and the voltage boosting and metering signal processing circuit board are started for higher frequency to carry out detection.

5. The marine radioactive event short-term emergency tracking and monitoring device according to any one of claims 1 to 4, wherein: the shore station terminal server is also provided with a data storage module and a radiation map drawing module.

6. The marine radiological event short-term emergency tracking and monitoring device as claimed in claim 5, wherein: the monitoring devices are put in batch, and the radiation map drawing module draws a radiation map according to longitude and latitude, time and radiation signals.

7. The marine radiological event short-term emergency tracking and monitoring device as claimed in claim 6, wherein: the radiation signals from the same monitoring device in the radiation map are represented by the same symbol, and the radiation signals at the current time are highlighted.

8. The marine radioactive event short-term emergency tracking and monitoring device according to any one of claims 1 to 4, wherein: the shore station terminal server also comprises a data analysis module and an alarm module, and the data analysis module is used for analyzing the numerical values of the current radiation signal and the average radiation signal and sending out corresponding alarms.

9. The marine radioactive event short-term emergency tracking and monitoring device according to any one of claims 1 to 4, or 6 or 7, wherein: still include unmanned aerial vehicle, unmanned aerial vehicle is as automatic throw-in equipment.

10. The marine radioactive event short-term emergency tracking and monitoring device according to any one of claims 1 to 4, or 6 or 7, wherein: the shell is the better non-metallic material of light, radiation penetrability, and the shell top is equipped with the lug, is equipped with the support frame in the shell, and the lower part of support frame is arranged in to heavier part, and the upper portion of support frame is arranged in to lighter part.